diff --git a/assets/scss/index.scss b/assets/scss/index.scss
index 833e95787..15370fa45 100644
--- a/assets/scss/index.scss
+++ b/assets/scss/index.scss
@@ -1255,4 +1255,12 @@ footer {
 
 .test{
   position: absolute;
+}
+
+* {
+  filter: grayscale(100%);
+  -webkit-filter: grayscale(100%);
+  -moz-filter: grayscale(100%);
+  -ms-filter: grayscale(100%);
+  -o-filter: grayscale(100%);
 }
\ No newline at end of file